Radeon HD 6620G vs R5 Graphics

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the rankingnot rated1120
Place by popularitynot in top-100not in top-100
Power efficiencyno data1.75
ArchitectureGCN 2.0 (2013−2017)TeraScale 2 (2009−2015)
GPU code nameSpectre SLSumo
Market segmentDesktopDesktop
Release date17 September 2014 (10 years ago)7 December 2011 (12 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores256400
Core clock speed497 MHz444 MHz
Boost clock speed720 MHzno data
Number of transistors2,410 million1,178 million
Manufacturing process technology28 nm32 nm
Power consumption (TDP)15 Watt35 Watt
Texture fill rate7.9528.880
Floating-point processing power0.2545 TFLOPS0.3552 TFLOPS
ROPs48
TMUs1620

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfaceIGPIGP
WidthIGPIGP

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeSystem SharedSystem Shared
Maximum RAM amountSystem SharedSystem Shared
Memory bus widthSystem SharedSystem Shared
Memory clock speedSystem SharedSystem Shared
Shared memoryno data+

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputsNo outputs

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (12_0)11.2 (11_0)
Shader Model6.05.0
OpenGL4.64.4
OpenCL2.01.2
Vulkan1.2.131N/A

Pros & cons summary


Recency 17 September 2014 7 December 2011
Chip lithography 28 nm 32 nm
Power consumption (TDP) 15 Watt 35 Watt

R5 Graphics has an age advantage of 2 years, a 14.3% more advanced lithography process, and 133.3% lower power consumption.

We couldn't decide between Radeon R5 Graphics and Radeon HD 6620G. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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AMD Radeon R5 Graphics
Radeon R5 Graphics
AMD Radeon HD 6620G
Radeon HD 6620G

Comparisons with similar GPUs

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Community ratings

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2.7 1471 vote

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2.5 85 votes

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Questions & comments

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